3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = array( "a", "b", "c; d; e", "f", "g", "h; i; j", "k" ); foreach($arr as $key => $val){ $temp = explode("; ", $val); $arr[$key] = $temp[0]; $arr = array_merge($arr, array_slice($temp,1)); } var_dump($arr);
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array(11) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "f" [4]=> string(1) "g" [5]=> string(1) "h" [6]=> string(1) "k" [7]=> string(1) "d" [8]=> string(1) "e" [9]=> string(1) "i" [10]=> string(1) "j" }
preferences:
74.53 ms | 1575 KiB | 4 Q